Physician Profile
Unclaimed ProfileAbout CHAITOWITZ
Mark Chaitowitz, MD practises hematology/oncology in Bronx, NY. Mark is also listed as specialising in hematology & oncology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Chaitowitz's specialty?
Dr. Chaitowitz is a hematology/oncology in Bronx, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HEMATOLOGY/ONCOLOGY”.
NPI registry
Where can I find Dr. Chaitowitz?
Dr. Chaitowitz is listed at 3411 WAYNE AVE 1ST FLOOR, Bronx, NY 10467. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chaitowitz?
The number on file is (718) 920-4137. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chaitowitz's NPI number?
Dr. Chaitowitz's National Provider Identifier is 1922215680. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Chaitowitz's medical education?
Dr. Chaitowitz attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chaitowitz been practising?
Dr. Chaitowitz has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chaitowitz known for?
According to Medicare billing data, Dr. Chaitowitz the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chaitowitz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chaitowitz. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (718) 920-4137
- Email not available
Practice Locations
3411 WAYNE AVE 1ST FLOOR
Bronx, NY 10467
Procedures Most Often Billed to Medicare
306 services · 232 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
73 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
52 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
49 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
39 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
27 |
| Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes | Office visit | 99451 |
25 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
23 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hematology/oncology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hematology/oncology specialists in Bronx 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Other 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.